BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 56, Problem 1A
Based on results from studies at Hubbard Brook Experimental Forest, what would be the predicted effect of clearing trees from a watershed?
a. Increased loss of water and nutrients from a watershed
b. Decreased loss of water and nutrients from a watershed
c. Increased availability of phosphorus
d. Increased availability of nitrate
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Based on results from studies at Hubbard Brook Experimental Forest, what would be the predicted effect of clearing trees from a watershed?
a. Increased loss of water and nutrients from a watershed
b. Decreased loss of water and nutrients from a watershed
c. Increased availability of phosphorus
d. Increased availability of nitrate
a This food web shows the flow of energy through a desert ecosystem
Which correctly describes a relationship shown on this food web ?
A. The coyote and the mountain lion have a predator /prey relationship
B. The coyote and the mountain lion have a producer /consumer relationship
C. The golden - mantled squirrel and the big sagebrush have a predator /prey relationship .
D. The golden -mantled squirrel and the big sagebrush have a producer /consumer relationship
Which type of forest is considered a reservoir of biodiversity?
a. old-growth
b. second-growth
c. commercial
d. tree plantation
Chapter 56 Solutions
BIOLOGY
Ch. 56.1 - Prob. 1LOCh. 56.1 - Prob. 2LOCh. 56.1 - Prob. 3LOCh. 56.2 - Describe the different trophic levels.Ch. 56.2 - Distinguish between energy and heat.Ch. 56.2 - Explain how energy moves through trophic levels.Ch. 56.3 - Explain the meaning of trophic cascade.Ch. 56.3 - Prob. 2LOCh. 56.4 - Define ecosystem stability.Ch. 56.4 - Prob. 2LO
Ch. 56.4 - Prob. 3LOCh. 56.5 - Prob. 1LOCh. 56.5 - Prob. 2LOCh. 56 - Prob. 1DACh. 56 - Prob. 2DACh. 56 - Prob. 3DACh. 56 - Prob. 4DACh. 56 - Prob. 1IQCh. 56 - Prob. 2IQCh. 56 - Prob. 3IQCh. 56 - Prob. 4IQCh. 56 - Prob. 5IQCh. 56 - Prob. 6IQCh. 56 - Prob. 7IQCh. 56 - Which of the statements about groundwater is NOT...Ch. 56 - Photosynthetic organisms a. fix carbon dioxide. b....Ch. 56 - Prob. 3UCh. 56 - Nitrogen is often a limiting nutrient in many...Ch. 56 - Prob. 5UCh. 56 - Prob. 6UCh. 56 - Inverted ecological pyramids of real systems...Ch. 56 - Prob. 8UCh. 56 - Prob. 9UCh. 56 - The equilibrium model of island biogeography...Ch. 56 - Based on results from studies at Hubbard Brook...Ch. 56 - According to the trophic cascade hypothesis, the...Ch. 56 - At Cedar Creek Natural History Area, experimental...Ch. 56 - Given that ectotherms do not utilize a large...Ch. 56 - Given that, in general, energy input is greatest...Ch. 56 - Prob. 3SCh. 56 - Explain several detailed ways in which increasing...
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- Approximately how much rain forest is being lost per year? a. 70,000 hectares b. 700,000 hectares c. 7,000 hectares d. 7,000,000 hectaresarrow_forwardGive 300 words answer to this question: What is the role of the coastal community in Coastal Resource Management?arrow_forwardExplain how building roads into previously inaccessible forests can harm the forests. Distinguish amongselective cutting, clear-cutting, and strip cutting in he harvesting of trees. What are two types of forestfires? What are some benefits of occasional surfacefires?arrow_forward
- Which activity would be most likely categorized as restoration ecology? a. Counting the number of fish species in a lake b. Determining the effects of traffic noise on singing robins c. Removing pollutants from the Hudson River d. Modeling the effects of climate change on the distribution of a plant e. Surveying genetic variation in a population of an endangered salamanderarrow_forwardDeforestation means adding of green cover to make land available for development. True or false?arrow_forwardis overgrazing is a major impact human activity has on grassland ecosystemarrow_forward
- Which forest type is the largest? A. Tropical Dry Forests B. Temperate C. Boreal D. Tropical moist forestsarrow_forwardA food chain would be a better resource than a food web to answer which question? a. How does energy move from an organism in one trophic level to an organism on the next trophic level? b. How does energy move within a trophic level? c. What preys on grasses? d. How is organic matter recycled in a forest?arrow_forwardMichael wants to build a new storage shed and is considering clearing some trees from his land to use as lumber. What justification best explains the ecological benefit of saving his trees? a Decreasing shade and windbreaks b Providing food for hundreds of species c Sequestering (storing) carbon d Aiding in discharge of aquiferarrow_forward
- Write two sentences describing how these macromolecules support the higher trophic levels in the rain forest.arrow_forwardExplain how illegal logging affects the water quality of lakes and reservoirarrow_forwardThrough succession, a field becomes a forest as hardwood trees become the dominant species in the ecosystem. Grasses are no longer able to compete as well in the forested environment. grasses → shrubs → softwood trees → hardwood trees Which is most likely the limiting factor that inhibits the growth of the grasses in the forest? a slow rates of decomposition on the forest floor b low levels of sunlight reaching the forest floor c thin layers of topsoil on the forest floor d low levels of humidity near the forest floorarrow_forward
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